Search

Your search keyword '"Hao, Zhimin"' showing total 168 results
Start Over Author "Hao, Zhimin"
Sorry, I don't understand your search. ×
168 results on '"Hao, Zhimin"'

7. Setosphaeria turcica , the Maize Leaf Blast Pathogen: Current Status and Infection Mechanisms.

Author

Li, Pan, Sohail, Aamir, Zeng, Fanli, Hao, Zhimin, and Dong, Jingao

Subjects
MYCOSES, CORN, MOLECULAR cloning, PREVENTIVE medicine, GRASSES
Abstract

The fungal pathogen Setosphaeria turcica causes northern corn leaf blight (NCLB) in maize, sorghum, and related grasses. NCLB is a serious fungal foliar disease of cultivated maize that causes devastating yield losses. S. turcica infects maize leaves by means of a specialized cell, the appressorium, but the regulatory mechanisms that underlie appressorium-mediated infection remain largely unknown. Many regulatory pathways and a large number of genes have been described in S. turcica, and many of these genes have been cloned. Characterization of such disease-related genes is important for understanding the biological mechanisms of interaction between pathogen and host and can guide the development of strategies for disease control. There is a significant level of concern regarding the possible dissemination of the S. turcica pathogen to regions where NCLB is not presently prevalent. This scenario is of considerable concern and necessitates immediate research intervention. The present review brings together information on the epidemiology and infection mechanisms of S. turcica. [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
View/download PDF

17. Additional file 2 of The survival impact of adjuvant radiotherapy and chemotherapy in patients with non-endometrioid endometrial carcinomas: a PSM-IPTW analysis based on SEER database

Author

Hao, Zhimin and Yu, Yangli

Abstract

Additional file 2: Supplementary Table 1. Baseline characteristics before and after IPTW-adjusted by postoperative adjuvant treatment. Supplementary Table 2. Estimated five-year OS and CSS in endometrial clear cell carcinoma stratified by TNM stages and adjuvant treatments.

Published
2023
Full Text
View/download PDF

23. Protein kinase C is required for the pathogenicity of Setosphaeria turcicaon maize

Author

Li, Pan, Sun, Hehe, Dong, Jingao, and Hao, Zhimin

Abstract

Northern corn leaf blight caused by Setosphaeria turcicais one of the most important fungal diseases of maize. We previously cloned and analyzed the gene encoding protein kinase C (PKC) in S. turcica, as this Ca2+signaling component is required for growth and pathogenicity of several other plant pathogenic fungi. Here, we assessed the effect of PKCknockout on S. turcicapathogenicity using four quinic-acid-inducible PKCantisense mutants. The conditional mutants enabled us to study the role of PKCin growth, germination, appressorium development, and pathogenicity despite the fact that constitutive PKCknockout is typically lethal in filamentous fungi. The growth rates of the mutants were the same as that of the wild type (WT) on PDA medium but were much lower on PDA medium that contained the inducer 15 mM quinic acid. Conidial germination and appressorium development were almost completely abolished in the induced mutants, and penetration experiments showed that appressoria from the WT could penetrate cellophane, whereas those of the induced mutants could not. Inoculation experiments showed that the mutant strains failed to produce visible lesions on unwounded maize leaves, although they were able to infect wounded leaves, suggesting that they were impaired in the process of host penetration. Characterization of PKCantisense mutants thus highlighted multiple roles of PKC in S. turcicapathogenicity, laying a foundation for understanding and exploiting a key signal transduction pathway in plant pathogenic fungi.

Published
2023
Full Text
View/download PDF

36. Novel factors contributing to fungal pathogenicity at early stages of Setosphaeria turcica infection.

Author

Meng, Yanan, Zeng, Fanli, Hu, Jingjing, Li, Pan, Xiao, Shenglin, Zhou, Lihong, Gong, Jiangang, Liu, Yuwei, Hao, Zhimin, Cao, Zhiyan, and Dong, Jingao

Subjects
NICOTIANA benthamiana, PLANT cell walls, CELL morphology, CROP losses, CELL death, INFECTION, CORN
Abstract

The fungal pathogen Setosphaeria turcica causes leaf blight on maize, which leads to considerable crop losses. However, how S. turcica establishes sustained systemic infection is largely unknown. Here, we report several novel factors contributing to S. turcica pathogenicity, identified using a genomic and transcriptional screen at different stages of S. turcica appressorium development. We identified two cytoskeleton regulators, SLM1 and SLM2, that are crucial for hypha and appressorium development. The SLM1 and SLM2 transcripts accumulated during germling stage but their levels were notably reduced at the appressorium stage. Deletion of SLM2 dramatically affected cell morphology, penetration ability, and pathogenicity. We also identified three different types of S. turcica glycosyl hydrolases that are critical for plant cell wall degradation. Their transcripts accumulated during the appressorium infection stage induced by cellophane and maize leaf. Most importantly, we characterized a novel and specific S. turcica effector, appressorium‐coupled effector 1 (StACE1), whose expression is coupled to appressorium formation in S. turcica. This protein is required for maize infection and induces cell death on expression in Nicotiana benthamiana. These observations suggest that the phytopathogen S. turcica is primed in advance with multiple strategies for maize infection, which are coupled to appressorium formation at the early infection stages. [ABSTRACT FROM AUTHOR]

Published
2022
Full Text
View/download PDF

41. Highly Active PdO/Mn3O4/CeO2 Nanocomposites Supported on One Dimensional Halloysite Nanotubes for Photoassisted Thermal Catalytic Methane Combustion.

Author

Feng, Xilan, Liu, Dapeng, Yan, Baolin, Shao, Mingzhe, Hao, Zhimin, Yuan, Guobao, Yu, Haohan, and Zhang, Yu

Subjects
HALLOYSITE, NANOTUBES, COMBUSTION, NANOCOMPOSITE materials, METHANE, CATALYSTS
Abstract

In this work, we have successfully triggered the aqueous auto‐redox reactions between reductive Ce(OH)3 and oxidative MnO4−/Pd2+ ions to form PdO/Mn3O4/CeO2 (PMC) nanocomposites. PMC could spontaneously self‐assemble into compact encapsulation on the surface of halloysite nanotubes (HNTs) to form the final one dimensional HNTs supported PMCs (HPMC). It is identified that there exists strong synergistic effects among the components of PdO, Mn3O4, and CeO2, and hence HPMC could show excellent performance on photoassisted thermal catalytic CH4 combustion that its light‐off temperature was sharply reduced to be 180 °C under visible light irradiation. Based on detailed studies, it is found that the catalytic reaction process well follows the classic MVK mechanism, and adsorption/activation of O2 into active oxygen species (O*) should be the rate‐determining step for CH4 conversion. [ABSTRACT FROM AUTHOR]

Published
2021
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results